re PR other/58712 (issues found by --enable-checking=valgrind)

PR other/58712 * builtins.c (determine_block_size): Initialize *probable_max_size even if len_rtx is CONST_INT. From-SVN: r206621

re PR other/58712 (issues found by --enable-checking=valgrind)
PR other/58712 * builtins.c (determine_block_size): Initialize *probable_max_size even if len_rtx is CONST_INT. From-SVN: r206621
2738b4c7 · Jakub Jelinek · Jakub Jelinek · 241f845a · 2738b4c7 · 2738b4c7
Commit 2738b4c7 authored Jan 15, 2014 by Jakub Jelinek Committed by Jakub Jelinek Jan 15, 2014
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gcc/ChangeLog
+6 -0

gcc/builtins.c
+3 -2

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2014-01-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR other/58712
+	* builtins.c (determine_block_size): Initialize *probable_max_size
+	even if len_rtx is CONST_INT.
+
 2014-01-14  Andrew Pinski  <apinski@cavium.com>

 	* config/aarch64/aarch64-protos.h (tune_params): Add issue_rate.

--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -3117,7 +3117,7 @@ determine_block_size (tree len, rtx len_rtx,
 {
  if (CONST_INT_P (len_rtx))
    {
-      *min_size = *max_size = UINTVAL (len_rtx);
+      *min_size = *max_size = *probable_max_size = UINTVAL (len_rtx);
      return;
    }
  else
@@ -3131,7 +3131,8 @@ determine_block_size (tree len, rtx len_rtx,
      else
 	*min_size = 0;
      if (tree_fits_uhwi_p (TYPE_MAX_VALUE (TREE_TYPE (len))))
-	*probable_max_size = *max_size = tree_to_uhwi (TYPE_MAX_VALUE (TREE_TYPE (len)));
+	*probable_max_size = *max_size
+	  = tree_to_uhwi (TYPE_MAX_VALUE (TREE_TYPE (len)));
      else
 	*probable_max_size = *max_size = GET_MODE_MASK (GET_MODE (len_rtx));